http://blogs.technet.com/clientsecurity/archive/2008/06/13/nap-anyone.aspxThe Forefront Client Security team is pleased to announce the public availability of the Microsoft Forefront Integration Kit for Network Access Protection (NAP)! NAP is a technology provided with Windows Server 2008, and works with Vista and Windows XPen-USCommunityServer 2.1 SP1 (Build: 61025.2)